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122221102001012 = 22728493153196903
BaseRepresentation
bin11011110010100011010001…
…010111100110101101110100
3121000202020000202001021211222
4123302203101113212231310
5112004432304103013022
61111535333225045512
734513116562532120
oct3362432127465564
9530666022037758
10122221102001012
1135a41750866953
121185b327926898
135327528a89531
1422277663c6580
15e1e3b8452242
hex6f28d15e6b74

122221102001012 has 24 divisors (see below), whose sum is σ = 244450784624256. Its totient is φ = 52378633581408.

The previous prime is 122221102000957. The next prime is 122221102001017. The reversal of 122221102001012 is 210100201122221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122221102001017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75800648 + ... + 77396255.

It is an arithmetic number, because the mean of its divisors is an integer number (10185449359344).

Almost surely, 2122221102001012 is an apocalyptic number.

It is an amenable number.

122221102001012 is an abundant number, since it is smaller than the sum of its proper divisors (122229682623244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122221102001012 is a wasteful number, since it uses less digits than its factorization.

122221102001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153225407 (or 153225405 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122221102001012 its reverse (210100201122221), we get a palindrome (332321303123233).

The spelling of 122221102001012 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, one hundred two million, one thousand, twelve".

Divisors: 1 2 4 7 14 28 28493 56986 113972 199451 398902 797804 153196903 306393806 612787612 1072378321 2144756642 4289513284 4365039357179 8730078714358 17460157428716 30555275500253 61110551000506 122221102001012